.net下有一种技术叫做对象序列化,说得通俗一点,C#序列化就是把一个对象保存到一个文件或数据库字段中去,C#反序列化就是在需要的时候再把这个文件转化成原来的对象使用。

在.NET中常见的C#序列化的方法主要也有三个:二进制序列化、XML序列化、SOAP序列化。
下面通过一个小例子来说明这三种方法的使用。
- using System;
 - using System.Collections.Generic;
 - using System.Text;
 - namespace FileSerializer
 - {
 - [Serializable]
 - public class Book
 - {
 - string id;
 - string name;
 - public string Id
 - {
 - get { return id; }
 - set { id = value; }
 - }
 - public string Name
 - {
 - get { return name; }
 - set { name = value; }
 - }
 - public Book()
 - {
 - }
 - public Book(string id,string name)
 - {
 - this.id = id;
 - this.name = name;
 - }
 - public override string ToString()
 - {
 - return "编号:" + id + "\t名称:" + name;
 - }
 - }
 - }
 - using System;
 - using System.Collections.Generic;
 - using System.Text;
 - using System.IO;
 - using System.Xml.Serialization;
 - namespace FileSerializer
 - {
 - public abstract class Serializer< T>
 - {
 - string filePath;
 - public string FilePath
 - {
 - get { return filePath; }
 - set { filePath = value; }
 - }
 - public Serializer(string filePath)
 - {
 - this.filePath = filePath;
 - }
 - public void Serialize(T serializeObj)
 - {
 - using (Stream st = new FileStream(filePath, FileMode.Create, FileAccess.Write))
 - {
 - S(st, serializeObj);
 - }
 - }
 - protected abstract void S(Stream st, T serializeObj);
 - public T Deserialize()
 - {
 - using (Stream st = new FileStream(filePath, FileMode.Open, FileAccess.Read))
 - {
 - return D(st);
 - }
 - }
 - protected abstract T D(Stream st);
 - }
 - }
 - using System;
 - using System.Collections.Generic;
 - using System.Text;
 - using System.IO;
 - using System.Runtime.Serialization.Formatters.Binary;
 - namespace FileSerializer
 - {
 - class SerializerBinary< T> : Serializer< T>
 - {
 - public SerializerBinary(string filePath)
 - : base(filePath)
 - {
 - }
 - protected override void S(Stream st, T serializeObj)
 - {
 - BinaryFormatter bf = new BinaryFormatter();
 - bf.Serialize(st, serializeObj);
 - }
 - protected override T D(Stream st)
 - {
 - BinaryFormatter bf = new BinaryFormatter();
 - return (T)bf.Deserialize(st);
 - }
 - }
 - }
 - using System;
 - using System.Collections.Generic;
 - using System.Text;
 - using System.IO;
 - using System.Runtime.Serialization.Formatters.Soap;
 - namespace FileSerializer
 - {
 - public class SerializerSoap< T> : Serializer< T>
 - {
 - public SerializerSoap(string filePath)
 - : base(filePath)
 - {
 - }
 - protected override void S(Stream st, T serializeObj)
 - {
 - SoapFormatter sf = new SoapFormatter();
 - sf.Serialize(st, serializeObj);
 - }
 - protected override T D(Stream st)
 - {
 - SoapFormatter sf = new SoapFormatter();
 - return (T)sf.Deserialize(st);
 - }
 - }
 - }
 - using System;
 - using System.Collections.Generic;
 - using System.Text;
 - using System.Xml.Serialization;
 - using System.IO;
 - namespace FileSerializer
 - {
 - public class SerializerXml< T> : Serializer< T>
 - {
 - public SerializerXml(string filePath)
 - : base(filePath)
 - {
 - }
 - protected override void S(Stream st, T serializeObj)
 - {
 - XmlSerializer xs = new XmlSerializer(typeof(T));
 - xs.Serialize(st, serializeObj);
 - }
 - protected override T D(Stream st)
 - {
 - XmlSerializer xs = new XmlSerializer(typeof(T));
 - return (T)xs.Deserialize(st);
 - }
 - }
 - }
 - using System;
 - using System.Collections.Generic;
 - using System.Text;
 - namespace FileSerializer
 - {
 - class Program
 - {
 - static void Main(string[] args)
 - {
 - Book book = new Book("01","C#程序设计入门01");
 - Serializer< Book> serializer = new SerializerBinary< Book>("bookBinary");
 - serializer.Serialize(book);
 - Book newbook = serializer.Deserialize();
 - Console.WriteLine(newbook.ToString());
 - book = new Book("02", "C#程序设计入门02");
 - serializer = new SerializerSoap< Book>("bookSoap.soap");
 - serializer.Serialize(book);
 - newbook = serializer.Deserialize();
 - Console.WriteLine(newbook.ToString());
 - book = new Book("03", "C#程序设计入门03");
 - serializer = new SerializerXml< Book>("bookXml.xml");
 - serializer.Serialize(book);
 - newbook = serializer.Deserialize();
 - Console.WriteLine(newbook.ToString());
 - Console.ReadLine();
 - }
 - }
 - }
 
C#序列化和反序列化的例子就和大家讨论到这里。
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